4 ms·

It's always possible to create shared clock between two points and keep it accurate, then measure time of events A and B according to the clock.

• _boffin_ 4y ago
  That’s some beautiful hand waving in regards to creating a shared clock. I’m an idiot and would love to know how this would be possible.
• ithinkso 4y ago
  Then you reunite the clocks and discover they show completely different time!